allery25 माध्य वाले 12 मानों के एक समुच्चय में से एक मान 37 को 13 से बदल दिया जाता है। नया माध्य क्या होगा?
A22
B21
C24
D23
Answer & Solution
Correct answer: D. 23
कुल योग 300 से घटकर 276 हो जाता है, और 276 को 12 से विभाजित करने पर 23 प्राप्त होता है।
Keep practising Elementary Statistics
Browse all Elementary Statistics questions for RRB NTPC, or explore more Mathematics topics.
Related questions
RRB NTPC · Central Tendency MeasuresRRB NTPC · Calculate Mean of DataA fair coin lands tails five times in a row. The chance of tails on the next toss isA fair coin is tossed ten times. The chance of ten heads in a row is aboutHow is the median of 8 ordered values found?The data 5, 7, 9, 11, 13 are in arithmetic progression. Their median is?How many modes does the data 1, 1, 2, 4, 4 have?Why is the median preferred for skewed incomes?